[INFO] updating cached repository dionkoeze/persistency
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dionkoeze/persistency
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dionkoeze/persistency" "work/ex/beta-1.37-6/sources/1.36.0/gh/dionkoeze/persistency"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/dionkoeze/persistency'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dionkoeze/persistency" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dionkoeze/persistency"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dionkoeze/persistency'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 606321ae8e7f3f2093d7d137f11ecd8a6045d2a3
[INFO] sha for GitHub repo dionkoeze/persistency: 606321ae8e7f3f2093d7d137f11ecd8a6045d2a3
[INFO] validating manifest of dionkoeze/persistency on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dionkoeze/persistency on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dionkoeze/persistency
[INFO] finished frobbing dionkoeze/persistency
[INFO] frobbed toml for dionkoeze/persistency written to work/ex/beta-1.37-6/sources/1.36.0/gh/dionkoeze/persistency/Cargo.toml
[INFO] started frobbing dionkoeze/persistency
[INFO] finished frobbing dionkoeze/persistency
[INFO] frobbed toml for dionkoeze/persistency written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dionkoeze/persistency/Cargo.toml
[INFO] crate dionkoeze/persistency already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing dionkoeze/persistency against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dionkoeze/persistency:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] c28a470aa88329dc7fd414a85589f649df7b202e6984903cd71bc6e1ec29bff9
[INFO] running `"docker" "start" "-a" "c28a470aa88329dc7fd414a85589f649df7b202e6984903cd71bc6e1ec29bff9"`
[INFO] [stderr]    Compiling rustyper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `is_zero`
[INFO] [stderr]   --> main.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |   fn is_zero(&self) -> bool {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "c28a470aa88329dc7fd414a85589f649df7b202e6984903cd71bc6e1ec29bff9"`
[INFO] running `"docker" "rm" "-f" "c28a470aa88329dc7fd414a85589f649df7b202e6984903cd71bc6e1ec29bff9"`
[INFO] [stdout] c28a470aa88329dc7fd414a85589f649df7b202e6984903cd71bc6e1ec29bff9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dionkoeze/persistency:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 51daa02de689012493d97d9ad20db8447e968ae2f97ca10756a72b9744e80293
[INFO] running `"docker" "start" "-a" "51daa02de689012493d97d9ad20db8447e968ae2f97ca10756a72b9744e80293"`
[INFO] [stderr]    Compiling rustyper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `is_zero`
[INFO] [stderr]   --> main.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |   fn is_zero(&self) -> bool {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "51daa02de689012493d97d9ad20db8447e968ae2f97ca10756a72b9744e80293"`
[INFO] running `"docker" "rm" "-f" "51daa02de689012493d97d9ad20db8447e968ae2f97ca10756a72b9744e80293"`
[INFO] [stdout] 51daa02de689012493d97d9ad20db8447e968ae2f97ca10756a72b9744e80293
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dionkoeze/persistency:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] e680cbe72b5ea6a4fdfa99cda1ea43842cdfdd656662e16e68bfcd6ce0be2b76
[INFO] running `"docker" "start" "-a" "e680cbe72b5ea6a4fdfa99cda1ea43842cdfdd656662e16e68bfcd6ce0be2b76"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pers-a340acdd7041bff5
[INFO] running `"docker" "inspect" "e680cbe72b5ea6a4fdfa99cda1ea43842cdfdd656662e16e68bfcd6ce0be2b76"`
[INFO] running `"docker" "rm" "-f" "e680cbe72b5ea6a4fdfa99cda1ea43842cdfdd656662e16e68bfcd6ce0be2b76"`
[INFO] [stdout] e680cbe72b5ea6a4fdfa99cda1ea43842cdfdd656662e16e68bfcd6ce0be2b76